1975446916 has 27 divisors (see below), whose sum is σ = 3517646853. Its totient is φ = 970700640.

The previous prime is 1975446887. The next prime is 1975446959. The reversal of 1975446916 is 6196445791.

The square root of 1975446916 is 44446.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 1962844416 = 3550^2 + 44304^2 .

It is a super-2 number, since 2×1975446916² = 7804781035867822112, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6311176 + ... + 6311488.

Almost surely, 2^1975446916 is an apocalyptic number.

1975446916 is the 44446-th square number.

It is an amenable number.

1975446916 is a deficient number, since it is larger than the sum of its proper divisors (1542199937).

1975446916 is an frugal number, since it uses more digits than its factorization.

1975446916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 386 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The cubic root of 1975446916 is about 1254.7439816804.

The spelling of 1975446916 in words is "one billion, nine hundred seventy-five million, four hundred forty-six thousand, nine hundred sixteen".